The C.D.C. chief overruled her own agency’s panel and recommended Pfizer boosters for workers at risk.

By BY APOORVA MANDAVILLI AND BENJAMIN MUELLER from NYT Health In a highly unusual decision, the C.D.C. director, Rochelle Walensky, reversed a move by agency advisers to endorse additional doses of the Pfizer-BioNTech vaccine for older Americans but not for health care workers or teachers. https://ift.tt/2W7oRZM